Breast pump



FIG. 1 is a front perspective view of a breast pump showing my newdesign;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines showing the bottle of the breast pump in FIGS. 1-8 arefor illustrative purposes only and form no part of the claimed design.

CLAIM The ornamental design for a breast pump, as shown and described.